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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: pegInterferon Clear all
Completed No phase listed Observational

Plegridy Observational Program

NCT02230969
View directory record Official record
Conditions
Relapsing Forms of Multiple Sclerosis
Interventions
peginterferon beta-1a
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older
Enrollment
1,208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
50
States / cities
Homewood, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2022 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 1Phase 2 Interventional

Study of Safety, Tolerability, and Anti-Viral Effect of Locteron Compared to PEG-Intron in Patients With Chronic Hepatitis C

NCT00593151
View directory record Official record
Conditions
Hepatitis C
Interventions
Locteron (controlled-release interferon alpha 2b), pegylated IFNa2b
Other · Biological
Lead sponsor
Biolex Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
5
States / cities
Detroit, Michigan • Dallas, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 3 Interventional

PEG-Interferon a-2b + Ribavirin for Treatment of Patients With Chronic Hepatitis C Who Have Previously Failed to Achieve a Sustained Virologic Response Following Interferon Alfa or Interferon a-2b + Ribavirin Therapy

NCT00215865
View directory record Official record
Conditions
Chronic Hepatitis C Virus Infection
Interventions
PEGIntron plus ribavirin
Drug
Lead sponsor
Hepatitis Resource Network
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2005 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy of a 12-Week Regimen of Telaprevir, Pegylated Interferon, and Ribavirin in Treatment-Naive and Prior Relapser Subjects With Interleukin28B (IL28B) CC Genotype

NCT01459913
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Telaprevir, Pegylated Interferon Alfa-2a, Ribavirin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
55
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2015 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Treat Subjects With Telaprevir, Ribavirin, and Peginterferon Who Are Coinfected With HIV and Hepatitis C Virus (HCV)

NCT01467479
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa-2a, Highly Active Antiretroviral Therapy (HAART)
Drug · Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
46
States / cities
Birmingham, Alabama • Bakersfield, California • Beverly Hills, California + 42 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 2 Interventional

Chronically-infected HCV Genotype 2 and 3 Treatment-naive Subjects: Part A: Safety and Efficacy of INX-08189 With Peg IFN Alfa-2a and Ribavirin. Part B: INX-08189 in Interferon Free Treatment With Daclatasvir and/or Ribavirin

NCT01425970
View directory record Official record
Conditions
Hepatitis C
Interventions
INX-08189, Placebo matching with INX-08189, Pegylated interferon alfa-2a, Ribavirin, Daclatasvir
Drug · Biological
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
6
States / cities
Anaheim, California • La Jolla, California • San Francisco, California + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Temozolomide Alone or With Pegylated Interferon-Alpha 2b (PGI) in Melanoma Patients

NCT00525031
View directory record Official record
Conditions
Melanoma
Interventions
Temozolomide (TMZ), Pegylated Interferon Alpha-2b (PGI)
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Pegylated Interferon Alfa-2a Maintenance Therapy and Liver Disease Progression in People Infected With Both HIV and Hepatitis C Virus (HCV)

NCT00078403
View directory record Official record
Conditions
HIV Infections, Hepatitis C, Liver Disease
Interventions
Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
36
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2021 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 2 Interventional Results available

Evaluating Combination Immunotherapy for Advanced Cholangiocarcinoma With Pembrolizumab and PEG-Intron

NCT02982720
View directory record Official record
Conditions
Advanced Cholangiocarcinoma
Interventions
Pembrolizumab, Sylatron
Drug
Lead sponsor
Aiwu Ruth He, MD
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2022 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 4 Interventional Results available

ACCELERATE Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) in Combination With COPEGUS (Ribavirin) in Interferon-Naive Patients With Chronic Hepatitis C (CHC) Infection.

NCT00077636
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus, peginterferon alfa-2a [Pegasys]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
1,469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
88
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 75 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2016 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 4 Interventional

Infergen and Ribavirin Treatment of Patients With HCV Who Achieved Partial Response to Peginterferon-alfa and Ribavirin

NCT00456248
View directory record Official record
Conditions
Hepatitis C
Interventions
Infergen and ribavirin
Drug
Lead sponsor
Kadmon Corporation, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
4
States / cities
Atlanta, Georgia • New Orleans, Louisiana • Harrisburg, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Sep 13, 2026, 4:43 AM EDT
Not listed Phase 1 Interventional

Peg-Interferon Alpha 2b Combined With Two Intravenous Broadly HIV-1 Neutralizing Antibodies 3BNC117 and 10-1074 (BEAT-2)

NCT03588715
View directory record Official record
Conditions
HIV, HIV/AIDS, HIV-1 Infection
Interventions
Pegylated Interferon alpha 2b (peg-IFN-α2b), 3BNC117 + 10-1074
Drug
Lead sponsor
Luis Montaner
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 3 Interventional Results available

Combination Therapy of Pegylated Interferon Alfa-2a and Tenofovir Versus Tenofovir Monotherapy in Chronic Hepatitis B

NCT01369212
View directory record Official record
Conditions
Hepatitis B
Interventions
Tenofovir, Peginterferon-alfa 2a and tenofovir
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
20
States / cities
Los Angeles, California • San Francisco, California • Honolulu, Hawaii + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Safety, Antiviral Activity, and Pharmacokinetics of GSK2336805 With Peginterferon and Ribavirin in Chronic Hepatitis C Subjects

NCT01439373
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
GSK2336805, Pegylated interferon alfa-2a, Ribavirin, GSK2336805 Matching Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
9
States / cities
Anaheim, California • Chula Vista, California • Coronado, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2017 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 2 Interventional Results available

P1101 in Treating Patients With Myelofibrosis

NCT02370329
View directory record Official record
Conditions
Primary Myelofibrosis, Secondary Myelofibrosis
Interventions
Laboratory Biomarker Analysis, Quality-of-Life Assessment, Ropeginterferon Alfa-2B
Other · Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability, and Antiviral Activity of ACH-0141625 or Placebo in Combination With Peginterferon and Ribavirin in Hepatitis C Virus (HCV) Positive Participants

NCT01180790
View directory record Official record
Conditions
Hepatitis C
Interventions
ACH-0141625 (Sovaprevir), Placebo, Pegylated Interferon alpha-2a, Ribavirin
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
15
States / cities
Los Angeles, California • San Francisco, California • Bradenton, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 1 Interventional

PEG Interferon Alpha 2B and Low-Dose Ara-C in Early Chronic Phase CML

NCT00303290
View directory record Official record
Conditions
Chronic Myeloid Leukemia
Interventions
Peg Interferon Alpha 2b (Peg Intron), Ara-C (cytosine arabinoside)
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
12 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 3 Interventional Results available

Open-Label Study of Sofusbuvir+Ribavirin With or Without Peginterferon Alfa-2a in Subjects With Chronic HCV Infection Who Participated in Prior Gilead HCV Studies

NCT01625338
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
SOF, RBV, Peg-IFN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
534 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
67
States / cities
Birmingham, Alabama • Bakersfield, California • Colton, California + 53 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2015 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 2 Interventional Results available

Study of Imatinib and Peginterferon α-2b in Gastrointestinal Stromal Tumor (GIST) Patients

NCT00585221
View directory record Official record
Conditions
Gastrointestinal Stromal Tumors, Cancer Brain, Solid Tumors
Interventions
Peginterferon-alpha 2b (PegIFNa2b);, Imatinib
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Sofosbuvir (GS-7977) in Combination With PEG and Ribavirin for 12 Weeks in Treatment Experienced Subjects With Chronic HCV Infection Genotype 2 or 3

NCT01808248
View directory record Official record
Conditions
Hepatitis C
Interventions
SOF, PEG, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2014 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Treatment of Chronic Delta Hepatitis With Lonafarnib, Ritonavir and Lambda Interferon

NCT03600714
View directory record Official record
Conditions
Liver Disease, Hepatitis D
Interventions
Peg-interferon lambda, Lonafarnib, Ritonavir
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 1 Interventional

A Study of Pegasys Monotherapy in Patients With Chronic Hepatitis B Who Have Participated in Previous Studies

NCT00962975
View directory record Official record
Conditions
Hepatitis B, Chronic
Interventions
peginterferon alfa-2a [Pegasys]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 13, 2026, 4:43 AM EDT
Completed Phase 2 Interventional

A Study of Ritonavir-Boosted Danoprevir and RO5024048 in Different Combinations in Null Responder or Treatment-Naïve Patients With Chronic Hepatitis C and Compensated Cirrhosis

NCT01483742
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
RO5024048, danoprevir, peginterferon alfa-2a [Pegasys], ribavirin, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
15
States / cities
Birmingham, Alabama • Anaheim, California • Coronado, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2016 · Synced Sep 13, 2026, 4:43 AM EDT
Terminated Phase 3 Interventional Results available

Alisporivir With PEG and RBV in Protease Inhibitor (PI) Treatment Failure Patients With Chronic Hepatitis C

NCT01500772
View directory record Official record
Conditions
Hepatitis C
Interventions
Alisporivir, Peginterferon alfa-2a, Ribavirin
Drug
Lead sponsor
Debiopharm International SA
Industry
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
26
States / cities
Phoenix, Arizona • Bakersfield, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2016 · Synced Sep 13, 2026, 4:43 AM EDT